Well, sweety, you got frostbite taking pictures in Highgate cemetery on a very cold day and they fell off. Something similar nearly happened to Neha.
Luckily her new DSLR is centrally heated so her extremities were saved. Amazing what technology can do nowadays isn’t it. The things they think of.*
* See Stephen Fry’s review of compact cameras to find out some genuine ridiculous innovations in the optical field.